Giant Otter vs Gray Alder

Pteronura brasiliensis compared with Alnus incana

Key Differences

• Giant Otter is Endangered while Gray Alder is Least Concern.

Taxonomic Classification

Rank	Giant Otter	Gray Alder
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Carnivora (Carnivorans)	Fagales (Beeches & Oaks)
Family	Mustelidae (Weasels & Otters)	Betulaceae
Genus	Pteronura	Alnus
Species	Pteronura brasiliensis	Alnus incana

Conservation Status

Giant Otter

EN — Endangered

Gray Alder

LC — Least Concern

Physical Characteristics

Attribute	Giant Otter	Gray Alder
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Giant Otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Gray Alder

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Armenia), Europe (10 countries), and North America (United States).